N-MFP2 0000899148 XXXXXXXX 2017-07-31 0000899148 S000003657 1 N N 033-59692 Security Investors, LLC 801-08008 Ernst & Young LLP McLean VA None Rydex Fund Services, LLC 0000913181 084-05475 N N N Exempt Government N 39 86 151392248.91 182927523.30 152595311.18 110896904.61 202309699.71 223450050.37 170811079.58 178237496.02 0.2935 0.3172 0.3009 0.2390 0.3922 0.3875 0.3369 0.3841 28335.54 474864049.11 474864049.11 413842.89 484055.74 474822171.80 474764450.46 1.0000 0.0114 1.0002 1.0002 1.0002 1.0002 C000113321 1.00 474822171.80 474764450.46 1.0002 1.0002 1.0002 1.0002 102169541.95 113182419.00 185680823.07 124714697.92 78130985.22 147772564.54 85762873.88 128804760.88 477428292.64 528939557.11 0.0016 N HSBC Securities, Inc. HSBC Securities, Inc. 0.93% REPOXHSBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY STRIPS PRINC 2045-02-15 0.000000 7557537.90 3333270.70 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0093 3267911.97 3267911.97 0.0069 N Y Y N BNP Paribas BNP Paribas 1.04% REPOXBNP U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 1 5/8 NOTE B 26 2018-03-29 2026-02-15 0.000000 - 2.125000 7613295.70 7518099.40 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0104 7370683.57 7370683.57 0.0155 N Y Y N Bank of America Bank of America 1.04% REPOXBANK U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 1 3/8 NOTE Q 23 2023-09-30 1.375000 3883868.20 3759053.60 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0104 3685341.78 3685341.78 0.0078 N Y Y N RBC Capital Markets RBC Capital Markets 0.98% REPOXRBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TSY INFL IX N/B 2020-04-15 0.000000 2883509.10 3027684.50 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0098 2968316.21 2968316.21 0.0063 N Y Y N Mizuho Mizuho 0.96% REPOXMIZU U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TREASURY BILL 2018-01-25 0.000000 3489586.40 3470358.80 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0096 3402307.70 3402307.70 0.0072 N Y Y N UMB Financial Corp. UMB Financial Corp. 0.93% REPOXUMB U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N FED NATL MTG ASSN GLOBAL 2018-06-08 2026-05-15 1.125000 - 2.375000 961159.40 952542.30 Agency Debentures and Agency Strips N Standard & Poor's NR 2017-08-01 2017-08-01 2017-08-01 N N N 0.0093 933857.37 933857.37 0.0020 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130A6G68 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-08 2017-09-08 2017-09-08 N N N 0.0108 1569606.00 1569606.00 0.0033 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.23% 3130A7YH2 US3130A7YH29 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-05 2017-09-05 2017-09-05 N N N 0.0123 100004.78 100004.78 0.0002 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.19% 3130A8F32 US3130A8F321 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-05 2017-12-05 2017-12-05 N N N 0.0119 355148.68 355148.68 0.0007 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130A9HG9 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-16 2018-03-16 2018-03-16 N N N 0.0108 1260182.10 1260182.10 0.0027 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.12% 3130A9P21 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-10-06 2018-04-06 2018-04-06 N N N 0.0112 999861.58 999861.58 0.0021 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.07% 3130ABV37 U.S. Government Agency Debt N Standard & Poor's NR 2017-08-21 2018-01-19 2018-01-19 N N N 0.0107 10000000.00 10000000.00 0.0211 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.10% 3130ABLJ3 US3130ABLJ32 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-13 2017-12-13 2017-12-13 N N N 0.0110 30000000.00 30000000.00 0.0632 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130ABLH7 US3130ABLH75 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-18 2017-12-18 2017-12-18 N N N 0.0108 34998885.78 34998885.78 0.0737 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.09% 3130ABHL3 US3130ABHL34 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-26 2017-09-26 2017-09-26 N N N 0.0109 29998593.73 29998593.73 0.0632 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.04% 3130ABAB2 US3130ABAB25 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-20 2017-10-20 2017-10-20 N N N 0.0104 14999888.35 14999888.35 0.0316 N N N N Federal Agricultural Mortgage Corp Discount Notes Federal Agricultural Mortgage Corp Discount Notes 0.88% 31315LMM7 US31315LMM71 U.S. Government Agency Debt N Standard & Poor's NR 2017-10-03 2017-10-03 2017-10-03 N N N 0.0088 3993980.00 3993980.00 0.0084 N N N N Federal Home Loan Bank Federal Home Loan Bank Discount Notes 1.05% 313385LH7 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-05 2017-09-05 2017-09-05 N N N 0.0105 7129853.09 7129853.09 0.0150 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.12% 313385NT9 US313385NT95 U.S. Government Agency Debt N Standard & Poor's NR 2017-11-02 2017-11-02 2017-11-02 N N N 0.0112 498579.16 498579.16 0.0011 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.03% 313385KM7 U.S. Government Agency Debt N Standard & Poor's NR 2017-08-16 2017-08-16 2017-08-16 N N N 0.0103 9995750.00 9995750.00 0.0211 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.02% 313385JX5 U.S. Government Agency Debt N Standard & Poor's NR 2017-08-02 2017-08-02 2017-08-02 N N N 0.0102 23634343.32 23634343.32 0.0498 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.02% 313385KE5 U.S. Government Agency Debt N Standard & Poor's NR 2017-08-09 2017-08-09 2017-08-09 N N N 0.0102 1299709.38 1299709.38 0.0027 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.04% 313385LP9 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-11 2017-09-11 2017-09-11 N N N 0.0104 14982489.58 14982489.58 0.0316 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.05% 313385LX2 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-19 2017-09-19 2017-09-19 N N N 0.0105 6990186.37 6990186.37 0.0147 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.04% 313385LY0 US313385LY09 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-20 2017-09-20 2017-09-20 N N N 0.0104 5512141.66 5512141.66 0.0116 N N Y N Federal Farm Credit Bank Federal Farm Credit Banks 1.12% 3133EEJ68 US3133EEJ683 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2018-05-11 2018-05-11 N N N 0.0112 5007443.79 5007443.79 0.0105 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.48% 3133EEJ76 US3133EEJ766 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2017-11-13 2017-11-13 N N N 0.0148 9001426.38 9001426.38 0.0190 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.09% 3133EETJ9 US3133EETJ91 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-12 2017-09-12 2017-09-12 N N N 0.0109 2800258.86 2800258.86 0.0059 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.24% 3133EEUZ1 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-26 2018-03-26 2018-03-26 N N N 0.0110 10010844.71 10010844.71 0.0211 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.20% 3133EEQ94 US3133EEQ944 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-27 2017-11-27 2017-11-27 N N N 0.0120 145028.29 145028.29 0.0003 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.28% 3133EFSD0 US3133EFSD06 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2017-09-14 2017-09-14 N N N 0.0128 30008357.82 30008357.82 0.0632 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.34% 3133EF3X3 US3133EF3X35 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2017-08-21 2017-08-21 N N N 0.0134 60000990.92 60000990.92 0.1264 N N N N Federal Farm Credit Bank Federal Farm Credit Banks 1.30% 3133EFDH7 US3133EFDH74 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2017-09-18 2017-09-18 N N N 0.0121 10650561.23 10650561.23 0.0224 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.19% 3133EGGQ2 US3133EGGQ20 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2017-12-20 2017-12-20 N N N 0.0119 25013629.93 25013629.93 0.0527 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.12% 3133EGH73 US3133EGH732 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-01 2018-05-14 2018-05-14 N N N 0.0112 3005937.33 3005937.33 0.0063 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 1.24% 3137EADP1 US3137EADP18 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-07 2018-03-07 2018-03-07 N N N 0.0124 982841.27 982841.27 0.0021 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.04% 313385LL8 U.S. Government Agency Debt N Standard & Poor's AAA 2017-09-08 2017-09-08 2017-09-08 N N N 0.0104 16132526.60 16132526.60 0.0340 N N Y N United States Treasury Bill United States Treasury Bill 1.13% 912796MG1 US912796MG10 U.S. Treasury Debt N Standard & Poor's NR 2017-12-14 2017-12-14 2017-12-14 N N N 0.0113 82156579.82 82156579.82 0.1730 N Y Y N U.S. Government Money Market Fund 2017-08-04 James Howley James Howley Assistant Treasurer